Plow.



No. 644,316. Patntd Feb. 27, [900.

v W. T-. M. BRUNNEMER.

PLOW.

(Application led Feb. 27, 1899.)

2 Sheets-Shut |I {Nu Model.)

No. 644,3I6. .Patented Feb. 27, |900;- W. T. M. BBUNNEMER.

PLUW.

(Application le Feb. 27, 18994 2 Sheets-Sheet 2,

(No Model.)

Rs cu, PNoTD-LITHO., WASHINGTON. DA c.

NrrE STATES PATENT EErcE.

VILLIAM T. M. BRUNNEMER, OF BRADLEY, ILLINOIS, ASSIGNOR TO THE DAVIDBRADLEY MANUFACTURING COMPANY, OF SAME PLACE.

PLOW.

SPECIFICATION forming part of Letters Patent No. 644,316, dated February27, 1900- Application filed February 27, 1899. Serial No. 706,955. (Nomodel.)

To @ZZ whom t may concern:

Be it known that 1, WILLIAM T. M. BRUN- NEMER, a citizen of the UnitedStates, residing at Bradley, in the county of Kankakee and State ofIllinois, have invented certain new and useful Improvements in Flows, ofwhich the following is a specification, reference being had to theaccompanying drawings.

My invention relates to plows, and has for its principal object toprovide traction mechanism arranged back of the furrow-opener forcounteraeting to a greater or less extent the side pressure upon thefurrow-opener, so that it will operate properly even if the landside isentirely wanting or is inoperative, as in cleaning up a dead-furrow,where there is no shoulder or bank against which the landside may bear.

In the embodiment of my invention herein illustrated the tractionmechanism consists of a caster-wheel arranged back of the furrow-openerand operating to direct and hold the plow away from the bank of thefurrow; but my invention is not restricted to the device shown anddescribed.

A further object is to provide certain improvements in plows of thegeneral type illustrated, by which the front furrow-wheel will bev sooperated as to run with a slight gather, thereby securing a uniform andeven width of furrow.

A further object is to provide` improved means whereby the caster-wheelis allowed to swing in either direction freely when the team is turnedin one direction or the other.

-I accomplish these objects as hereinafter specified, and as illustratedin the drawings.

That which I regard as new will be set forth inthe claims.

In the accompanying drawings, Figure 1 is a plan View showing the casterand furrow wheels in position for plowing. Fig. 2 is a similar viewshowing the position of the caster and furrow wheels when the team isturned to the left. Fig. 3 is a similar view showing the position ofsaid wheels when the team is turned to the right. Fig. 4 is a section ofthe upper end of the furrow wheel pivot. Fig. 5 isa plan view of thesame, and Fig. 6 is a section on line 6 6 of Fig. 4.

Referring to the drawings, 7 indicates the frame of the machine, whichis of suitable shape and construction to support the various parts andis provided at its forward end with a suitable connecting device 8, bywhich the draft devices are secured to it.

9 indicates the plow.

10 indicates the front furrow-wheel, which is mounted upon a suitablebent axle 11, the vertical portion of which is pivoted in asuitablebearing formed in a bracket 12, projecting laterally from the frame ofthe machine, as shown in the drawings.. At its upper en d the shaft 1lcarries a bell-crank having arms 13 14 arranged substantially at rightangles to each other,as shown in the drawings. The arln 14 carries abracket 15, to which the tongue is connected. The arm 13 is connectedbya rigid connecting-bar 16 to a lever 17, secured upon the upper end ofabent axle 18, pivoted in a sleeve 19, carried at the rear end of theframe of the machine, as shown in the drawings. In Fig. 1 the bar 16 isshown screw-threaded at one end, so that its length may be adjusted. Thebent lower end of the axle 18 forms a spindle for the caster-wheel 20.The lever 17 is loosely mounted upon the upper portion of the axle 18,and abovesaid lever is a disk 21, provided with a depending segment 22,as shown in Figs. 4 and G. Y The disk 21 is keyed to the axle 1S bya pin23, which passes through the upper end of the axle and through a slot orrecess in the disk, as shown in Figs. 4. and 5. The arrangement is suchthat the lever 17 is free to rotate through about two hundred andseventy degrees independently of the disk 21 and axle 18. When, however,in rotating the lever 17 it engages the segment 22, further rotation ofthe lever rotates the axle. Instead of a continuous segment 22 separatelugs suit-ably disposed may be employed.

24 'indicates a collar upon the axle 1S below the sleeve 19.

25 indicates the pivot by which the connecting-rod 16 is connected tothel lever 17, and 26 indicates the point at which the front end of theconnecting-rod 1G is connected to the arm 13.

The parts of the machine are so adjusted that when the rear furrow orcaster wheel 2O IOO is in the position shown in Fig. 1, incliningslightly toward the front furrow-wheel, the front furrow-wheel will beinclined slightly toward the line of the furrow being plowed and thepoint 26 will be slightly outside of a line drawn from the pivot of theaxle 11 to the pivot 25. At this time the lever 17 will be in engagementwith the outer end of the segment 22, as shown in Figs. 5 and G. By thisconstruction the power derived from the tendency of the rear furrow orcaster wheel to turn in toward the furrow is transmitted through thesegment 22 to the lever 17, the end thrust being then transmittedthrough the connecting-rod 1G to the arm 13, and, owing to the fact thatthe point 2G is out-side of a straight line between the pivot 25 and thepivot of the axle 11, as above stated, the end thrust caused by thecaster-wheel will tend to turn the front furrow-wheel inward toward thefurrow. The result of this arrangement and operation is that the lateralpressure upon the plow, which is usually resisted by the bank, is inthis case resisted by the casterwheel, the angle or gather of thecaster-wheel counter-acting by traction the side pressure of the plow,so that the landside is relieved of friction on the bank, making theplow run more smoothly.

In prior constructions the caster-wheel has usually been arranged to runin the corner of the furrow; but in my construction this is notnecessary, because the caster-wheel operates by traction, as abovestated. By transmitting the end thrust to the axle of the frontfurrow-wheel, as above described, and directing said wheel inward, asdescribed, said wheel acts to counteract the tendency of the plow to runoff to one side, thereby making it easier for the operator to guide theplow and sec-ure an even width of furrow. When the team is turned in onedirection or the other, owing to the arrangement of the lever 17 inconnection with the disk 21 and segment 22, the caster-wheel is free toturn in either direction, as illustrated in Figs. 2 and 3.

While I have described speciiically the plow illustrated in thedrawings, my invention, especially so far as concerns the broad featuresof counteracting by traction the side pressure upon the furrow-opener toa greater or less extent and arranging the front furrow-wheel so as torun with a greater or less gather, is not limited to the particularconstruction and arrangement shown and described, as variousmodifications may be made without departing from it.

That which I claim as my invention, and desire to secure by LettersPatent, ism

l. In a plow, the combination with a machine-frame, of a furrow-wheelpivoted to swing about a substantially-vertical axis, a crank connectedto the pivot of said furrowwheel, a caster-wheel pivoted to swing abouta substantially-vertical axis, a lever connected to the pivot of saidcaster-wheel and normally extending at an angle to the line of crankconnected to the pivot of said furrowwheel, a caster-wheel, and meansfor transmitting power derived from the tendency of said caster-wheel torotate to said crank in a line lying outside of the pivot of saidfurrowwheel, substantially as and for the purpose specified.

3. In a plow, the combination with a machine-frame, of a furrow-wheelpivoted to swing about a substantially-vertical axis, a caster-wheelalso pivoted to swing about a substantially-vertical axis, and meansoperating normally to hold said furrow-wheel slightly inclined inwardlytoward the furrow, substantially as described.

4. In a plow, the combination with a machine-frame, of a furrow-wheelpivoted to swing about a substantially-vertical axis, a caster-wheelalso pivoted to swing about a substantially-vertical axis, and meansoperating to hold said caster-wheel normally in a position inclinedslightly out from the furrow, substantially as and for the purposespecified.

5. In a plow, the combination with a machine-frame, of a furrow-wheelhaving a Vertically-pivoted axle 11, a crank 13 connected to said axle,a caster-wheel having a vertically-pivoted axle 1S, a lever 17 mountedupon said axle, and a rigid adjustable connecting-rod 16 connecting saidcrank and lever, the point of connection of said rod and crank lyingnormally outside of a line drawn from the point of connection of saidrod and lever and the pivot of the axle 11, substantially as described.

6. In a plow, the combination with a inachine-frame, of a furrow-wheelpivoted to swing about a substantially-vertical axis, a caster-wheel`also pivoted to swing about a substantially-vertical axis, a crank 13connected to the axle of the furrow-wheel, a lever 17 connected to theaxle of said casterwheel, said lever being adapted to rotate partiallyindependently of the axle of the casterwheel, and a stop limiting theextent to which said lever may rotate independently of said axle,substantially as described.

7. In a plow, the combination with a machine-frame, of a furrow-wheelpivoted to swing about a substantially-vertical axis, a caster-wheelalso pivoted to swing about a substantially-vertical axis, a crank 13connected to the axle of the furrow-wheel, a lever 17 connected to theaxle of said casterwheel, said lever being adapted to rotate partiallyindependently of the axle of the casterwheel, and a disk 2l mounted uponsaid axle and keyed thereto, said disk having a seg- IOO IZS

ment 22 adapted to engage said lever, substantially as described.

8. In a plow, the combination with a machine-frame, of a furrow-Wheelpivoted to swing about a substantially-vertical axis, a caster-wheelalso pivoted to swing about a substantially-vertical axis, and meansoperating normally to hold said f urrow-wheel inclined slightly towardthe furrow and to hold said caster-wheel normally inclined slightly outfrom the furrow, substantially as and for the purpose specified.

9. In a plow the combination of a machineframe, a caster-wheel pivotedto swing about a substantially-vertical axis, and means operating tohold said caster-wheel normally at an angle outwardly inclined to theline of draft, substantially as and for the purpose specified.

lO. A plow having a furrow-opener, adjustable traction mechanismarranged back of the furrow-opener which acts normally to exert outwardpressure upon the furrow-opener and means operated by the team forcontrolling the action of said traction mechanism,

substantially as and for the purposes specified.

11. The combination of a machine-frame, a caster-wheel adapted to swingabout a substantially-vertical axis, a laterally-extending lever looselyconnected with said caster-wheel, means limiting the independentmovement of said lever and caster-wheel when in operative position, asubstantially-horizontal arm or crank, and means connecting said leverand arrn, substantially as described.

l2. The combination of a machine-frame, a caster-wheel having avertically-extending axle arranged to rotate in a suitable bearing, alever loosely mounted on said axle and extending laterally, meanscarried by said axle adapted to engage said lever to limit theindependent movement of said lever and axle, a substantially-horizontalarm or crank, and

means connecting said lever and arm, sub-.45

stantially as described.

WILLIAM T. M. BRUNNEMER. Witnesses:

GEO. H. FRANCIS, GEORGE C. MORGAN, Jr.

